Cheapest return flights from San Francisco to Singapore in April from 640€

AirHint found the following cheapest return flights from San Francisco (SFO) to Singapore (SIN) in April 2026 (see full year).

Return flights

02 Apr - 15 Apr Philippine Airlines
08 Apr - 15 Apr Philippine Airlines
07 Apr - 14 Apr Philippine Airlines
06 Apr - 13 Apr Philippine Airlines
02 Apr - 15 Apr Singapore Airlines direct
08 Apr - 15 Apr Singapore Airlines direct
17 Apr - 26 Apr Philippine Airlines
26 Apr - 30 Apr Philippine Airlines
06 Apr - 13 Apr Singapore Airlines direct
07 Apr - 14 Apr Singapore Airlines direct

Also check the deals for one-way flights from San Francisco to Singapore in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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